Seiko Cal. 7057 - 738

The Seiko 7057-738 represents an important milestone in Seiko's 1974 lineup. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-b7fbe9747dfc]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1974

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